EP1939950A3 - Actionneur piézoélectrique - Google Patents

Actionneur piézoélectrique Download PDF

Info

Publication number
EP1939950A3
EP1939950A3 EP07120348A EP07120348A EP1939950A3 EP 1939950 A3 EP1939950 A3 EP 1939950A3 EP 07120348 A EP07120348 A EP 07120348A EP 07120348 A EP07120348 A EP 07120348A EP 1939950 A3 EP1939950 A3 EP 1939950A3
Authority
EP
European Patent Office
Prior art keywords
actuator
actuator body
head
piezo
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07120348A
Other languages
German (de)
English (en)
Other versions
EP1939950A2 (fr
EP1939950B1 (fr
Inventor
Klaus-Volker Schuett
Marco Holst
Peter Cromme
Kai Kuhlmann
Florian Dirscherl
Stefan Schuerg
Claudia Klotz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1939950A2 publication Critical patent/EP1939950A2/fr
Publication of EP1939950A3 publication Critical patent/EP1939950A3/fr
Application granted granted Critical
Publication of EP1939950B1 publication Critical patent/EP1939950B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/883—Further insulation means against electrical, physical or chemical damage, e.g. protective coatings
EP07120348A 2006-12-29 2007-11-09 Actionneur piézoélectrique Expired - Fee Related EP1939950B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006062561A DE102006062561A1 (de) 2006-12-29 2006-12-29 Piezoelektrischer Aktor

Publications (3)

Publication Number Publication Date
EP1939950A2 EP1939950A2 (fr) 2008-07-02
EP1939950A3 true EP1939950A3 (fr) 2011-11-02
EP1939950B1 EP1939950B1 (fr) 2013-02-20

Family

ID=39183024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07120348A Expired - Fee Related EP1939950B1 (fr) 2006-12-29 2007-11-09 Actionneur piézoélectrique

Country Status (2)

Country Link
EP (1) EP1939950B1 (fr)
DE (1) DE102006062561A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040508A1 (de) * 2007-08-28 2009-03-05 Robert Bosch Gmbh Piezoaktormodul und Piezoaktor mit einer medienbeständigen Schutzschicht und ein Verfahren zur Herstellung der Schutzschicht auf dem Piezoaktor
EP2343746B1 (fr) * 2010-01-11 2012-10-24 Delphi Technologies Holding S.à.r.l. Procédé d'encapsulation d'un actionneur doté d'un empilement d'actionneur piézoélectrique
GB201309122D0 (en) 2013-05-21 2013-07-03 Delphi Tech Holding Sarl Fuel Injector
DE102013211389A1 (de) * 2013-06-18 2014-12-18 Robert Bosch Gmbh Sensoranordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360665A (en) * 1965-04-15 1967-12-26 Clevite Corp Prestressed piezoelectric transducer
JPH03174783A (ja) * 1989-09-19 1991-07-29 Fuji Electric Co Ltd 積層型圧電素子
WO2002061856A1 (fr) * 2001-02-01 2002-08-08 Delphi Technologies, Inc. Procede permettant d'assembler un ensemble actionneur
EP1574702A1 (fr) * 2004-03-11 2005-09-14 Delphi Technologies, Inc. Méthode d'assemblage d'un injecteur de carburant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360665A (en) * 1965-04-15 1967-12-26 Clevite Corp Prestressed piezoelectric transducer
JPH03174783A (ja) * 1989-09-19 1991-07-29 Fuji Electric Co Ltd 積層型圧電素子
WO2002061856A1 (fr) * 2001-02-01 2002-08-08 Delphi Technologies, Inc. Procede permettant d'assembler un ensemble actionneur
EP1574702A1 (fr) * 2004-03-11 2005-09-14 Delphi Technologies, Inc. Méthode d'assemblage d'un injecteur de carburant

Also Published As

Publication number Publication date
EP1939950A2 (fr) 2008-07-02
EP1939950B1 (fr) 2013-02-20
DE102006062561A1 (de) 2008-07-03

Similar Documents

Publication Publication Date Title
EP1939950A3 (fr) Actionneur piézoélectrique
EP2030262B1 (fr) Dispositif équipé d'un actionneur piézoélectrique revêtu
EP1577539A3 (fr) Vanne magnétique avec une course d'armature ajustable et méthode pour l'ajuster
DE10246974A1 (de) Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine
DE102008000511B4 (de) Injektor
EP1382838A3 (fr) Injecteur de carburant
EP1088985A3 (fr) Injecteur de carburant pour injection directe dans un moteur à combustion interne
EP2079115A3 (fr) Module actionneur piézoélectrique et soupape d'injection de combustible
DE10344621A1 (de) Rohrfeder für Aktor
CN101878550A (zh) 层叠型压电元件及其制造方法、及喷射装置及燃料喷射系统
EP2079116A3 (fr) Module d'actionneur piézoélectrique
DE19947079B4 (de) Geräuschgedämpfter Stellantrieb für einen Kraftstoffinjektor
EP1768198A3 (fr) Actionneur piézo-électrique
EP1916414A3 (fr) Injecteur de carburant doté d'un piezoacteur
DE19947067A1 (de) Geräuschgedämpfte Aktoreinheit mit einem Aktorelement
EP1912265A3 (fr) Module d'actionneur doté d'un piézoactionneur gainé
DE19952057A1 (de) Brennstoffeinspritzventil
EP1936709A3 (fr) Actionneur piézoélectrique
EP1916721A3 (fr) Actionneur piézoélectrique
EP2233028A3 (fr) Corps composite poncé à facettes
DE102006018032A1 (de) Aktormodul
EP1981097B1 (fr) Procédé de fabrication d'un actionneur piézoélectrique
EP1939442A3 (fr) Soupape d'injection de combustible
DE102008001524A1 (de) Piezoelektrisches Aktormodul
EP2031669A1 (fr) Module d'actionneur piézoélectrique comprenant une enveloppe du piézoactionneur et son procédé de fabrication

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

RIC1 Information provided on ipc code assigned before grant

Ipc: F02M 51/06 20060101ALI20110923BHEP

Ipc: H01L 41/053 20060101AFI20110923BHEP

Ipc: F02M 51/00 20060101ALI20110923BHEP

17P Request for examination filed

Effective date: 20120502

AKX Designation fees paid

Designated state(s): DE ES FR

RIC1 Information provided on ipc code assigned before grant

Ipc: H01L 41/053 20060101AFI20120613BHEP

Ipc: F02M 51/06 20060101ALI20120613BHEP

Ipc: F02M 51/00 20060101ALI20120613BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502007011326

Country of ref document: DE

Effective date: 20130418

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130531

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20131121

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502007011326

Country of ref document: DE

Effective date: 20131121

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20141118

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20150127

Year of fee payment: 8

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502007011326

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20160729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160601

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151130